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Altera_Forum's avatar
Altera_Forum
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15 years ago

Cannot work

Firsr I built a project includes Nios II ,memories ,it works. When I added a DDR2 SDRAM controller, not only the DDR2 does't work but also the system . The pin assignment has been finished. Wh...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

In normal mode,the ddr2 works well,large numbers of datas of writing and reading is well.Now I want to read data from files on my PC and write to DDR2 .I watch results in the debug windows.The first time the write is OK,but if I change some code ,and debug again ,the result maybe wrong.Always like this.And sometims it give"Processor failed to go into debug mode when requested"

Thank you!